Blonder, GregMilewski, Allen2019-07-082019-07-081996-07-171998-06-02Greg Blonder, Allen Milewski. "System and method for providing structured tours of hypertext files." U.S. Patent 5,760,771-A.US-5760771-Ahttps://hdl.handle.net/2144/36271A system and method for providing structured tours of hypertext files. A server controls the presentation of hypertext files to a user. Accompanying information to the hypertext files in the form of an automated tour guide is presented and synchronized with the hypertext files by the tour server. A user may depart from the structured tour to explore linked files for a predetermined period of time, and may effect the content and order of the tour by indicating preferences at predetermined points along the tour. More than one user may take a tour, and the users on a tour may communicate with each other. Items may be purchased on a tour, and the user may send postcards based upon visited hypertext files to other users.Patent421288